CN212576179U - Nanoparticle slurry dispersing equipment - Google Patents
Nanoparticle slurry dispersing equipment Download PDFInfo
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- CN212576179U CN212576179U CN202021224851.1U CN202021224851U CN212576179U CN 212576179 U CN212576179 U CN 212576179U CN 202021224851 U CN202021224851 U CN 202021224851U CN 212576179 U CN212576179 U CN 212576179U
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Abstract
The utility model belongs to the technical field of thick liquids dispersion equipment, especially, relate to a nano-particle thick liquids dispersion equipment, including the closed jar of body, stirring subassembly and supersound subassembly, the stirring subassembly with the supersound subassembly all set up in the inside of the closed jar of body, supersound subassembly water flat line's highest point is less than stirring subassembly water flat line's highest point. The utility model discloses jar body sets up to closed, and after high shear stirring and dispersion, can remove the bubble to jar body evacuation, need not to set up specially that the vacuum removes bubble station and vacuum and removes bubble equipment, has reduced manufacturing cost, has also reduced the waste of thick liquids. The utility model discloses place closed jar of body in the supersound subassembly, can directly avoid the loss of ultrasonic wave to the dispersion of the internal portion of jar's nanometer granule thick liquids, improved the effect of nanometer granule thick liquids dispersion equipment supersound dispersion.
Description
Technical Field
The utility model belongs to the technical field of thick liquids dispersion equipment, especially, relate to a nanoparticle thick liquids dispersion equipment.
Background
The preparation method of the nanoparticle slurry comprises the steps of adding nanoparticles into a solvent, and stirring and ultrasonically dispersing to form the nanoparticle slurry.
In the prior art, the preparation method of nanoparticle slurry generally comprises: placing the nano particles and the solvent in an open type mixing tank, moving the mixing tank to a stirring station, extending a stirring head into the mixing tank to perform high-shear mechanical stirring on the slurry, transferring the mixing tank to an ultrasonic dispersion station after the mechanical stirring is finished, and extending an ultrasonic probe into the mixing tank to perform ultrasonic dispersion; however, during the transfer of the mixing tank, a part of the slurry adheres to the stirring head, resulting in a waste of the slurry. In addition, after high-shear stirring and ultrasonic dispersion, a lot of bubbles are generated in the nanoparticle slurry, so that a vacuum bubble removal station and vacuum bubble removal equipment are required to be arranged behind the ultrasonic dispersion station, the production cost is increased, and in the process of transferring the mixing tank from the ultrasonic dispersion station to the vacuum bubble removal station, a part of slurry is adhered to an ultrasonic probe, so that the slurry waste is further increased.
In view of the above, it is necessary to provide a technical solution to the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of the prior art, the nano particle slurry dispersing equipment is provided, the functions of ultrasonic dispersion, high-speed mechanical stirring and vacuum defoaming can be realized simultaneously, and the waste of slurry is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a nanoparticle slurry dispersing device comprises a closed tank body, a stirring assembly and an ultrasonic assembly, wherein the stirring assembly and the ultrasonic assembly are both arranged inside the closed tank body, and the highest position of the horizontal line of the ultrasonic assembly is lower than the highest position of the horizontal line of the stirring assembly. Preferably, the ultrasonic assembly is built into the bottom and/or side of the closed tank.
It should be noted that the utility model discloses a nanoparticle slurry dispersion equipment is applicable to the low-and-medium viscosity nanoparticle slurry that viscosity is not more than 1000 mPas, this is because when the supersound subassembly starts, if the viscosity of thick liquids is too high, the ultrasonic wave can not propagate to each part of thick liquids fast, and the ultrasonic wave can concentrate on a certain department of thick liquids like this, not only can not realize the effect of supersound dispersion, moreover because ultrasonic energy is too concentrated in less regional release, can lead to the emergence of phenomenon such as thick liquids overheat smoking even when serious.
Preferably, the apparatus of the present invention can be used for the dispersion of the fuel cell nano-scale catalyst slurry, since the catalyst of the fuel cell is mainly the nano-scale platinum/carbon catalyst, the production cost is very high, and therefore, the waste of the slurry can further increase the production cost. Of course, the apparatus of the present invention is not limited to use only in the preparation of fuel cell nano-scale catalyst slurries.
As an improvement of nanoparticle thick liquids dispersion equipment, the closed jar of body is including sealing jar body and the cover of connecting, the stirring subassembly with the cover is connected. Preferably, but can body and cover integrated into one piece, perhaps, can body and cover sealing connection can provide closed environment and be convenient for remove the bubble to the jar body evacuation. Further preferably, the stirring assembly is fixedly connected with the tank cover. The utility model discloses set up the ultrasonic component in the bottom surface and/or the side of the closed jar of body, because if also be connected ultrasonic component with the cover, can reduce the leakproofness of the closed jar of body from mechanical angle, behind stirring and supersound, can't realize the vacuum defoaming function. In addition, the agitator disk of stirring subassembly sets up with jar body phase-match, and if the agitator disk of stirring subassembly sets up too big, the side of stirring subassembly does not have the position to hold the supersound subassembly. And if the ultrasonic assembly is set to be an eccentric structure, the ultrasonic dispersion effect is unstable, which is not beneficial to the dispersion of the nano particles.
As an improvement of nanoparticle thick liquids dispersion equipment, the supersound subassembly sets up to a plurality of, a plurality of the supersound subassembly detachably embedding respectively the bottom surface and/or the side of the jar body, the quantity of supersound subassembly with the big or small phase-match setting of the closed jar of body. The ultrasonic assembly is embedded into the bottom and/or the side of the tank body, and the periphery of the ultrasonic assembly is sealed by a sealing ring. The ultrasonic assembly is arranged to be of a detachable structure, so that the damaged ultrasonic assembly can be replaced conveniently. The utility model discloses utilize the propagation characteristic of ultrasonic wave to realize interfering ultrasonic wave, specifically can show as the enhancement or the weakening of ultrasonic wave. When the tank body is small, only one ultrasonic assembly is arranged to realize the dispersion of the slurry. Because the ultrasonic probe of ultrasonic component can not set up too big, the frequency of the ultrasonic wave that too big probe produced can reduce, can't reach the frequency range of ultrasonic wave, so when the jar body is great, ultrasonic component can set up to a plurality ofly, just can realize interfering or reinforcing to ultrasonic frequency.
As an improvement of the nanoparticle slurry dispersing apparatus of the present invention, the stirring assembly includes a stirring rod and a stirring head fixedly connected to the stirring rod. Wherein, the stirring head can set up to dispersion impeller or emulsification head, as long as can realize mechanical stirring can to do not do the restriction to the shape of dispersion impeller or emulsification head, the puddler can be by motor or other power component provide power.
As an improvement of nanoparticle thick liquids dispersion equipment, the closed jar of body is provided with sandwich structure, the closed jar of body is provided with feed inlet and bottom discharge mouth. Because the ultrasonic assembly is arranged in the bottom surface and/or the side surface of the closed tank body, circulating cooling water can be introduced into the interlayer to take away heat generated by the vibration of the ultrasonic assembly, so that the temperature of the tank body is conveniently controlled. The nano-particle slurry is input from an upper feed inlet of the closed tank body, and is output from a lower discharge outlet after stirring, dispersing and defoaming. Furthermore, the upper feeding port and the lower discharging port are sealed, so that the tank body is prevented from being leaked gas and the vacuum defoaming can not be realized.
As an improvement of the nanoparticle slurry dispersing apparatus of the present invention, the inner wall of the closed tank body the surface of the stirring assembly and the surface of the ultrasonic assembly are coated with anti-sticking layers. The anti-sticking layer can prevent the adhesion of thick liquids, extravagant thick liquids.
As an improvement of the nano particle slurry dispersing equipment, the inner wall and/or the tank bottom of the closed tank body are/is also provided with a plurality of turbulence assemblies. The effect of vortex subassembly is that make thick liquids and vortex subassembly take place the striking, forms the fast-speed torrent, and it possesses extremely strong shearing force, is favorable to dispersing the nanoparticle in the thick liquids, prevents the reunion of nanometer thick liquids for thick liquids mix more evenly.
As an improvement of the nano-particle slurry dispersing equipment, the nano-particle slurry dispersing equipment further comprises an air exhaust opening arranged on the tank cover. The air pumping holes are used for vacuumizing the slurry after mechanical stirring and ultrasonic dispersion so as to remove air bubbles in the slurry.
As an improvement of the nanoparticle slurry dispersing apparatus of the present invention, a plurality of the ultrasonic components have the same or different ultrasonic frequencies. When the frequencies of the ultrasonic components are the same, the wave crests and the wave troughs of the formed ultrasonic waves are consistent in fluctuation, so that the peak values of the wave crests can be enhanced, and the ultrasonic wave enhancement effect is achieved; when the frequencies of the ultrasonic components are staggered, the wave crests of the second ultrasonic component are superposed at the wave trough position of the first ultrasonic component, so that the interference effect on ultrasonic waves is achieved, and the dispersion effect on the nano-particle slurry is enhanced.
As an improvement of the nanoparticle slurry dispersing apparatus of the present invention, the ultrasonic frequency of the ultrasonic component is less than or equal to 20 KHz. When the ultrasonic frequency is lower, the vibration of the nano particles is facilitated, and the dispersion effect on the particles is stronger; when the ultrasonic frequency is too high, the dispersion of the nano particles is not facilitated.
As an improvement of the nanoparticle slurry dispersing apparatus of the present invention, the stirring assembly and the ultrasonic assembly may be operated simultaneously or intermittently.
Compared with the prior art, the beneficial effects of the utility model include but are not limited to:
1) the utility model discloses jar body sets up to closed, and after high shear stirring and dispersion, can remove the bubble to jar body evacuation, need not to set up specially that the vacuum removes bubble station and vacuum and removes bubble equipment, has reduced manufacturing cost, has also reduced the waste of thick liquids.
2) In the prior art, the ultrasonic assembly is clamped on the side surface outside the closed tank body, the ultrasonic assembly needs to vibrate the tank body firstly, the ultrasonic dispersion effect on the nano-particle slurry inside the tank body can be further generated, and the ultrasonic wave can be partially lost. And the utility model discloses place closed jar of body in the supersound subassembly in, can be directly to the dispersion of the internal portion's of jar nano particle thick liquids, improved the effect of nano particle thick liquids dispersion equipment supersound dispersion.
3) The utility model discloses be less than supersound subassembly water flat line's highest point stirring subassembly water flat line's highest point is in order to prevent that the stirring subassembly from striking the supersound subassembly at the during operation, moreover, carries out the supersound dispersion again after the stirring subassembly stirs thick liquids, can further improve the dispersion effect of thick liquids.
Drawings
Fig. 1 is a schematic structural view of a nanoparticle slurry dispersing apparatus in example 1.
Fig. 2 is a schematic structural view of a nanoparticle slurry dispersing apparatus in example 2.
Fig. 3 is a schematic structural view of a nanoparticle slurry dispersing apparatus in example 3.
In the figure: 1-tank body, 11-tank body, 12-tank cover, 121-pumping hole, 2-stirring component, 21-stirring rod, 22-stirring head, 3-ultrasonic component, 4-turbulence component, 5-interlayer, 61-upper feeding hole and 62-lower discharging hole.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments and drawings of the specification, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
As shown in fig. 1, the present embodiment provides a nanoparticle slurry dispersing apparatus, which includes a closed tank 1, a stirring assembly 2, and an ultrasonic assembly 3, where the stirring assembly 2 and the ultrasonic assembly 3 are both disposed inside the closed tank 1, and the highest point of the horizontal line of the ultrasonic assembly 3 is lower than the highest point of the horizontal line of the stirring assembly 2. The ultrasonic component 3 is arranged in the bottom surface of the closed tank body 1.
The utility model discloses jar body 1 sets up to closed, and after high shear stirring and dispersion, can remove the bubble to jar 1 evacuation of body, need not to set up specially that the vacuum removes bubble station and vacuum and removes bubble equipment, has reduced manufacturing cost, has also reduced the waste of thick liquids.
In the prior art, the ultrasonic assembly 3 is clamped on the outer side surface of the closed tank body 1, the ultrasonic assembly 3 needs to vibrate the tank body 1 first, the ultrasonic dispersion effect on the nano-particle slurry in the tank body 1 can be further generated, and the ultrasonic wave can be partially lost. And the utility model discloses place closed jar of body 1 in the supersound subassembly 3 in, can be directly to the dispersion of the inside nanoparticle thick liquids of jar body 1, improved the effect of nanoparticle thick liquids dispersion equipment supersound dispersion.
The utility model discloses set up the highest point on 3 water flat lines of supersound subassembly into being less than the highest point on 2 water flat lines of stirring subassembly, be in order to prevent that stirring subassembly 2 from striking supersound subassembly 3 at the during operation, moreover, stir subassembly 2 and carry out the supersound dispersion again after stirring with thick liquids, can further improve the dispersion effect of thick liquids.
Further, the closed type can body 1 includes a can body 11 and a can lid 12 which are connected in a closed manner, and the stirring assembly 2 is connected to the can lid 12. Preferably, the can body 11 and the can lid 12 can be integrally formed, or the can body 11 and the can lid 12 can be hermetically connected to provide a closed environment for facilitating the evacuation and bubble removal of the can body 1. It is further preferred that the stirring assembly 2 is fixedly connected to the tank cover 12. The utility model discloses set up supersound subassembly 3 in the bottom surface and/or the side of closed jar of body 1 because if also be connected supersound subassembly 3 with cover 12, can reduce the leakproofness of closed jar of body 1 from mechanical angle, behind stirring and supersound, can't realize the vacuum defoaming function. In addition, stirring subassembly 2's agitator disk and jar body 1 phase-match set up, if stirring subassembly 2's agitator disk sets up too big, stirring subassembly 2's side does not have the position to hold supersound subassembly 3. If the ultrasonic assembly 3 is set to be an eccentric structure, the ultrasonic dispersion effect is unstable, which is not favorable for the dispersion of the nano particles.
Further, supersound subassembly 3 sets up to a plurality of, and a plurality of supersound subassembly 3 detachably imbeds the bottom surface and/or the side of jar body 1 respectively, and the quantity of supersound subassembly 3 sets up with the size phase-match of closed jar body 1. The ultrasonic assembly 3 is embedded into the bottom and/or the side surface of the tank body 1, and the periphery is sealed by a sealing ring. The ultrasonic assembly 3 is arranged to be of a detachable structure, so that the damaged ultrasonic assembly 3 can be replaced conveniently. The utility model discloses utilize the propagation characteristic of ultrasonic wave to realize interfering ultrasonic wave, specifically can show as the enhancement or the weakening of ultrasonic wave. When the tank body 1 is small, only one ultrasonic assembly 3 is arranged to realize the dispersion of the slurry. Further, the ultrasonic components 3 are arranged as one and arranged on the bottom surface of the tank body 1.
Further, the stirring assembly 2 comprises a stirring rod 21 and a stirring head 22 fixedly connected with the stirring rod 21. Wherein, the stirring head 22 can be set as a dispersion disc or an emulsification head as long as mechanical stirring can be realized, and the shape of the dispersion disc or the emulsification head is not limited, and the stirring rod 21 can be powered by a motor or other power components. Further, the stirring head 22 may be any one or more of a propeller stirring head, a turbine stirring head, an anchor stirring head, and a ribbon stirring head.
Further, the closed tank body 1 is provided with an interlayer 5 structure, and the closed tank body 1 is provided with an upper feed port 61 and a lower discharge port 62. Because the ultrasonic component 3 is arranged in the bottom surface and/or the side surface of the closed tank body 1, circulating cooling water can be introduced into the interlayer 5 to take away heat generated by the vibration of the ultrasonic component 3, so that the temperature of the tank body 1 can be controlled conveniently, and preferably, the cooling water of the interlayer 5 is introduced from the lower part of the interlayer 5 and flows out from the upper part of the interlayer 5. The nano-particle slurry is input from an upper feed port 61 of the closed tank body 1, and is output from a lower discharge port 62 after stirring, dispersing and defoaming. Further, the upper feeding port 61 and the lower discharging port 62 are sealed, so that the tank body 1 is prevented from air leakage and cannot be vacuumed and defoamed.
Furthermore, the inner wall of the closed tank body 1, the surface of the stirring component 2 and the surface of the ultrasonic component 3 are coated with anti-sticking layers. The anti-sticking layer can prevent the adhesion of thick liquids, extravagant thick liquids. The main material of the anti-sticking layer can be polytetrafluoroethylene, and the characteristics of heat resistance, cold resistance, acid and alkali resistance and organic solvent resistance of the polytetrafluoroethylene are mainly utilized.
Furthermore, a plurality of turbulence components 4 are arranged on the inner wall of the closed tank body 1 and/or the bottom of the tank. The effect of vortex subassembly 4 is that make thick liquids and vortex subassembly 4 take place the striking, forms the fast-speed torrent, and it possesses extremely strong shearing force, is favorable to dispersing the nanoparticle in the thick liquids, prevents the reunion of nanometer thick liquids for thick liquids mix more evenly. Further, the spoiler assembly 4 includes any one of a spoiler bar, a spoiler, and a spoiler.
Further, the tank cover further comprises an air suction port 121 formed in the tank cover 12. The air pumping holes are used for vacuumizing the slurry after mechanical stirring and ultrasonic dispersion so as to remove air bubbles in the slurry. Preferably, the suction opening 121 is provided on the can lid 12.
Further, the ultrasound frequencies of the several ultrasound assemblies 3 are the same or different. When the frequencies of the ultrasonic components 3 are the same, the wave crests and the wave troughs of the formed ultrasonic waves are consistent in fluctuation, so that the peak values of the wave crests can be enhanced, and the ultrasonic wave enhancement effect is achieved; when the frequencies of the ultrasonic components 3 are staggered, the wave crests of the second ultrasonic component 3 are superposed at the wave trough position of the first ultrasonic component 3, so that the interference effect on ultrasonic waves is achieved, and the dispersion effect on the nano-particle slurry is enhanced.
Example 2
As shown in fig. 2, the present embodiment provides a nanoparticle slurry dispersing apparatus, and unlike embodiment 1, two ultrasonic units 3 are provided, and the two ultrasonic units 3 are respectively provided on the bottom surface and the side surface of the tank 1. Because the ultrasonic probe of the ultrasonic assembly 3 cannot be set to be too large, the frequency of the ultrasonic wave generated by the too large probe is reduced, and the frequency range of the ultrasonic wave cannot be reached. Therefore, when the tank 1 is large, the ultrasonic assembly 3 can be provided in plurality, so that interference or enhancement of ultrasonic frequency can be realized.
The rest is the same as embodiment 1, and the description is omitted here.
Example 3
As shown in fig. 3, this embodiment provides a nanoparticle slurry dispersing apparatus, and unlike embodiment 1, the ultrasonic members 3 are provided in three, two of the ultrasonic members 3 are symmetrically provided on the bottom surface of the tank 1, and one of the ultrasonic members 3 is provided on the side surface of the tank 1.
The rest is the same as embodiment 1, and the description is omitted here.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. The nanoparticle slurry dispersing equipment is characterized by comprising a closed tank body, a stirring assembly and an ultrasonic assembly, wherein the stirring assembly and the ultrasonic assembly are both arranged in the closed tank body, and the highest position of the horizontal line of the ultrasonic assembly is lower than the highest position of the horizontal line of the stirring assembly.
2. The nanoparticle slurry dispersing apparatus of claim 1, wherein the closed tank includes a tank body and a tank cover that are close-coupled, the agitation assembly being coupled to the tank cover.
3. The nanoparticle slurry dispersing apparatus according to claim 1, wherein the ultrasonic assembly is provided in a number, the number of ultrasonic assemblies is detachably embedded in the bottom surface and/or the side surface of the tank body, and the number of ultrasonic assemblies is matched with the size of the closed tank body.
4. The nanoparticle slurry dispersing apparatus of claim 1, wherein the agitator assembly comprises an agitator shaft and an agitator head fixedly connected to the agitator shaft.
5. The nanoparticle slurry dispersion apparatus of claim 1, wherein the closed tank is provided with a sandwich structure, and the closed tank is provided with an upper feed port and a lower feed port.
6. The nanoparticle slurry dispersing apparatus of claim 1, wherein the inner wall of the closed tank, the surface of the stirring assembly, and the surface of the ultrasonic assembly are coated with an anti-sticking layer.
7. The nanoparticle slurry dispersion apparatus of claim 1, wherein the inner wall and/or the tank bottom of the closed tank body is further provided with a plurality of turbulence elements.
8. The nanoparticle slurry dispersing apparatus according to claim 2, further comprising a suction opening provided on the tank cover.
9. The nanoparticle slurry dispersing apparatus of claim 3, wherein the ultrasonic frequencies of the several ultrasonic assemblies are the same or different.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021224851.1U CN212576179U (en) | 2020-06-29 | 2020-06-29 | Nanoparticle slurry dispersing equipment |
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| CN202021224851.1U CN212576179U (en) | 2020-06-29 | 2020-06-29 | Nanoparticle slurry dispersing equipment |
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| CN212576179U true CN212576179U (en) | 2021-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632533A (en) * | 2020-06-29 | 2020-09-08 | 山东魔方新能源科技有限公司 | Nanoparticle slurry dispersing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632533A (en) * | 2020-06-29 | 2020-09-08 | 山东魔方新能源科技有限公司 | Nanoparticle slurry dispersing equipment |
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Address after: B312-111, No. 2 Fengwei Road, Huizhi Enterprise Center, Xishan Economic and Technological Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: Mofang Hydrogen Energy Technology (Jiangsu) Co., Ltd. Address before: 252000 Zhonghua Road East Tianjin Road South, high tech Industrial Development Zone, Liaocheng City, Shandong Province Patentee before: SHANDONG CUBE NEW ENERGY TECHNOLOGY Co.,Ltd. |